Re: [PATCH] arm64/sysreg: Update ID_AA64MMFR2_EL1 register

[Mark Brown]

On Mon, Apr 22, 2024 at 06:16:13PM +0100, Will Deacon wrote:
> On Mon, Apr 22, 2024 at 08:38:40AM +0530, Anshuman Khandual wrote:

> > This is not being used currently but will be required for upcoming
> > features. I was under the impression that register fields (atleast
> > for the ID registers) should be kept updated, with latest released
> > spec ? Besides lately arch/arm64/tools/sysreg serves as very good
> > reference for all necessary register fields.

> Why? The linux headers aren't documenting the architecture.

I don't know that it's something that we should be doing apropos of
nothing but if people have done updates and they're not unreasonbly
complicated to review it does seem useful to integrate them to avoid
duplicated work.  There have been some issues with that around the ID
registers (which are going to be on the places most prone to this I
guess).

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